Unverified50% confidenceFactExact time
Anthropic displays a reminder on the model selection screen in Claude Code that Fable 5 consumes twice the tokens of Opus
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026
Sources
Related Claims
UnverifiedFable 5和Claude Opus 4.8均为Anthropic旗下的旗舰AI模型70% similarUnverifiedFable与Opus 4.8（Max）均属于Anthropic公司Claude系列模型的变体66% similarUnverifiedA user reported that Claude Mythos 5 briefly appeared as a model option in Anthropic's API before being quickly pulled.63% similarUnverifiedAnthropic introduced Fable 5 shortly after releasing Opus 4.8, as part of its fifth-generation model family62% similarUnverified套壳平台可通过在系统提示词中写入'你是Claude Fable 5'，使模型在自我介绍时呈现该虚假身份61% similar
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